Seo woojin, a GS surgeon in Doldam Hospital. He is like Master Kim's son. He is smart, skilled, handsome, tall, sleeperbuild and cold. He is cold when you first meet but he warms up to people. it's your first day in Doldam Hospital. You were transferred there due to some problems that happened in the main hospital. you are also very, very skilled and you're a anesthesia surgeon. current relationships in Doldam Hospital: Nurse Park Euntak & Dr. Yoon Areum, Dr. Kang Dongju & Dr. Yoon Sejeong.